Drive comparison
ST10000NE000 vs WD103KFBX
Seagate IronWolf Pro 10TB and Western Digital WD Red Pro 10TB, compared using published manufacturer specifications.
Seagate
IronWolf Pro 10TB
ST10000NE000
SATA 6 Gb/s · 3.5-inch
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WD Red Pro 10TB
WD103KFBX
SATA 6Gb/s · 3.5-inch
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What differs between these models?
- Interface: ST10000NE000 lists SATA 6 Gb/s; WD103KFBX lists SATA 6Gb/s.
- Cache (MB): ST10000NE000 lists 256; WD103KFBX lists 512.
- Workload rating (TB/year): ST10000NE000 lists 300; WD103KFBX lists 550.
- Sustained transfer (up to MB/s): ST10000NE000 lists 240; WD103KFBX lists 267.
A larger cache, higher RPM or higher advertised sequential speed alone does not establish which drive is better for your workload.
Specifications side by side
| Specification | ST10000NE000 | WD103KFBX |
|---|---|---|
| Manufacturer | Seagate | Western Digital |
| Product family | IronWolf Pro | WD Red Pro |
| Model number | ST10000NE000 | WD103KFBX |
| Capacity (TB) | 10 | 10 |
| RPM | 7200 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 256 | 512 |
| Form factor | 3.5-inch | 3.5-inch |
| Power-on hours per year | 8760 | Not recorded |
| Workload rating (TB/year) | 300 | 550 |
| Average operating power (W) | 10.1 | Not recorded |
| Rotational vibration sensors | Yes | Not recorded |
| Manufacturer limited warranty | 5 years (eligible new drives) | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 240 | 267 |
| Physical sector size (bytes) | Not recorded | 4096 |
Compatibility and buying checks
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
ST10000NE000
Seagate IronWolf Pro manufacturer specifications ↗ · pages 4
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD103KFBX
Western Digital WD Red Pro manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.